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<?php
/**
* Functionality for the navigation tree
*/
declare(strict_types=1);
namespace PhpMyAdmin\Navigation;
use PhpMyAdmin\CheckUserPrivileges;
use PhpMyAdmin\DatabaseInterface;
use PhpMyAdmin\Html\Generator;
use PhpMyAdmin\Navigation\Nodes\Node;
use PhpMyAdmin\Navigation\Nodes\NodeDatabase;
use PhpMyAdmin\Navigation\Nodes\NodeTable;
use PhpMyAdmin\Navigation\Nodes\NodeTableContainer;
use PhpMyAdmin\Navigation\Nodes\NodeViewContainer;
use PhpMyAdmin\RecentFavoriteTable;
use PhpMyAdmin\Response;
use PhpMyAdmin\Template;
use PhpMyAdmin\Url;
use const E_USER_WARNING;
use function array_key_exists;
use function array_keys;
use function array_shift;
use function base64_decode;
use function count;
use function explode;
use function floor;
use function get_class;
use function htmlspecialchars;
use function in_array;
use function is_array;
use function is_bool;
use function is_object;
use function mb_strlen;
use function mb_strpos;
use function mb_substr;
use function method_exists;
use function sort;
use function sprintf;
use function strcasecmp;
use function strlen;
use function strnatcasecmp;
use function strpos;
use function strrpos;
use function strstr;
use function substr;
use function trigger_error;
use function trim;
use function urlencode;
use function usort;
use function vsprintf;
/**
* Displays a collapsible of database objects in the navigation frame
*/
class NavigationTree
{
/** @var Node Reference to the root node of the tree */
private $tree;
/**
* @var array The actual paths to all expanded nodes in the tree
* This does not include nodes created after the grouping
* of nodes has been performed
*/
private $aPath = [];
/**
* @var array The virtual paths to all expanded nodes in the tree
* This includes nodes created after the grouping of
* nodes has been performed
*/
private $vPath = [];
/**
* @var int Position in the list of databases,
* used for pagination
*/
private $pos;
/**
* @var string[] The names of the type of items that are being paginated on
* the second level of the navigation tree. These may be
* tables, views, functions, procedures or events.
*/
private $pos2Name = [];
/**
* @var int[] The positions of nodes in the lists of tables, views,
* routines or events used for pagination
*/
private $pos2Value = [];
/**
* @var string[] The names of the type of items that are being paginated
* on the second level of the navigation tree.
* These may be columns or indexes
*/
private $pos3Name = [];
/**
* @var int[] The positions of nodes in the lists of columns or indexes
* used for pagination
*/
private $pos3Value = [];
/**
* @var string The search clause to use in SQL queries for
* fetching databases
* Used by the asynchronous fast filter
*/
private $searchClause = '';
/**
* @var string The search clause to use in SQL queries for
* fetching nodes
* Used by the asynchronous fast filter
*/
private $searchClause2 = '';
/**
* @var bool Whether a warning was raised for large item groups
* which can affect performance.
*/
private $largeGroupWarning = false;
/** @var Template */
private $template;
/** @var DatabaseInterface */
private $dbi;
/**
* @param Template $template Template instance
* @param DatabaseInterface $dbi DatabaseInterface instance
*/
public function __construct($template, DatabaseInterface $dbi)
{
$this->template = $template;
$this->dbi = $dbi;
$checkUserPrivileges = new CheckUserPrivileges($this->dbi);
$checkUserPrivileges->getPrivileges();
// Save the position at which we are in the database list
if (isset($_POST['pos'])) {
$this->pos = (int) $_POST['pos'];
} elseif (isset($_GET['pos'])) {
$this->pos = (int) $_GET['pos'];
}
if (! isset($this->pos)) {
$this->pos = $this->getNavigationDbPos();
}
// Get the active node
if (isset($_REQUEST['aPath'])) {
$this->aPath[0] = $this->parsePath($_REQUEST['aPath']);
$this->pos2Name[0] = $_REQUEST['pos2_name'] ?? '';
$this->pos2Value[0] = (int) ($_REQUEST['pos2_value'] ?? 0);
if (isset($_REQUEST['pos3_name'])) {
$this->pos3Name[0] = $_REQUEST['pos3_name'] ?? '';
$this->pos3Value[0] = (int) $_REQUEST['pos3_value'];
}
} else {
if (isset($_POST['n0_aPath'])) {
$count = 0;
while (isset($_POST['n' . $count . '_aPath'])) {
$this->aPath[$count] = $this->parsePath(
$_POST['n' . $count . '_aPath']
);
$index = 'n' . $count . '_pos2_';
$this->pos2Name[$count] = $_POST[$index . 'name'];
$this->pos2Value[$count] = (int) $_POST[$index . 'value'];
$index = 'n' . $count . '_pos3_';
if (isset($_POST[$index])) {
$this->pos3Name[$count] = $_POST[$index . 'name'];
$this->pos3Value[$count] = (int) $_POST[$index . 'value'];
}
$count++;
}
}
}
if (isset($_REQUEST['vPath'])) {
$this->vPath[0] = $this->parsePath($_REQUEST['vPath']);
} else {
if (isset($_POST['n0_vPath'])) {
$count = 0;
while (isset($_POST['n' . $count . '_vPath'])) {
$this->vPath[$count] = $this->parsePath(
$_POST['n' . $count . '_vPath']
);
$count++;
}
}
}
if (isset($_REQUEST['searchClause'])) {
$this->searchClause = $_REQUEST['searchClause'];
}
if (isset($_REQUEST['searchClause2'])) {
$this->searchClause2 = $_REQUEST['searchClause2'];
}
// Initialize the tree by creating a root node
$node = NodeFactory::getInstance('NodeDatabaseContainer', 'root');
$this->tree = $node;
if (! $GLOBALS['cfg']['NavigationTreeEnableGrouping']
|| ! $GLOBALS['cfg']['ShowDatabasesNavigationAsTree']
) {
return;
}
$this->tree->separator = $GLOBALS['cfg']['NavigationTreeDbSeparator'];
$this->tree->separatorDepth = 10000;
}
/**
* Returns the database position for the page selector
*/
private function getNavigationDbPos(): int
{
$retval = 0;
if (strlen($GLOBALS['db']) == 0) {
return $retval;
}
/*
* @todo describe a scenario where this code is executed
*/
if (! $GLOBALS['cfg']['Server']['DisableIS']) {
$dbSeparator = $this->dbi->escapeString(
$GLOBALS['cfg']['NavigationTreeDbSeparator']
);
$query = 'SELECT (COUNT(DB_first_level) DIV %d) * %d ';
$query .= 'from ( ';
$query .= ' SELECT distinct SUBSTRING_INDEX(SCHEMA_NAME, ';
$query .= " '%s', 1) ";
$query .= ' DB_first_level ';
$query .= ' FROM INFORMATION_SCHEMA.SCHEMATA ';
$query .= " WHERE `SCHEMA_NAME` < '%s' ";
$query .= ') t ';
return (int) $this->dbi->fetchValue(
sprintf(
$query,
(int) $GLOBALS['cfg']['FirstLevelNavigationItems'],
(int) $GLOBALS['cfg']['FirstLevelNavigationItems'],
$dbSeparator,
$this->dbi->escapeString($GLOBALS['db'])
)
);
}
$prefixMap = [];
if ($GLOBALS['dbs_to_test'] === false) {
$handle = $this->dbi->tryQuery('SHOW DATABASES');
if ($handle !== false) {
while ($arr = $this->dbi->fetchArray($handle)) {
if (strcasecmp($arr[0], $GLOBALS['db']) >= 0) {
break;
}
$prefix = strstr(
$arr[0],
$GLOBALS['cfg']['NavigationTreeDbSeparator'],
true
);
if ($prefix === false) {
$prefix = $arr[0];
}
$prefixMap[$prefix] = 1;
}
}
} else {
$databases = [];
foreach ($GLOBALS['dbs_to_test'] as $db) {
$query = "SHOW DATABASES LIKE '" . $db . "'";
$handle = $this->dbi->tryQuery($query);
if ($handle === false) {
continue;
}
while ($arr = $this->dbi->fetchArray($handle)) {
$databases[] = $arr[0];
}
}
sort($databases);
foreach ($databases as $database) {
if (strcasecmp($database, $GLOBALS['db']) >= 0) {
break;
}
$prefix = strstr(
$database,
$GLOBALS['cfg']['NavigationTreeDbSeparator'],
true
);
if ($prefix === false) {
$prefix = $database;
}
$prefixMap[$prefix] = 1;
}
}
$navItems = (int) $GLOBALS['cfg']['FirstLevelNavigationItems'];
return (int) floor(count($prefixMap) / $navItems) * $navItems;
}
/**
* Converts an encoded path to a node in string format to an array
*
* @param string $string The path to parse
*
* @return array
*/
private function parsePath($string): array
{
$path = explode('.', $string);
foreach ($path as $key => $value) {
$path[$key] = base64_decode($value);
}
return $path;
}
/**
* Generates the tree structure so that it can be rendered later
*
* @return Node|bool The active node or false in case of failure, or true: (@see buildPathPart())
*/
private function buildPath()
{
$retval = $this->tree;
// Add all databases unconditionally
$data = $this->tree->getData(
'databases',
$this->pos,
$this->searchClause
);
$hiddenCounts = $this->tree->getNavigationHidingData();
foreach ($data as $db) {
/** @var NodeDatabase $node */
$node = NodeFactory::getInstance('NodeDatabase', $db);
if (isset($hiddenCounts[$db])) {
$node->setHiddenCount($hiddenCounts[$db]);
}
$this->tree->addChild($node);
}
// Whether build other parts of the tree depends
// on whether we have any paths in $this->aPath
foreach ($this->aPath as $key => $path) {
$retval = $this->buildPathPart(
$path,
$this->pos2Name[$key] ?? '',
$this->pos2Value[$key] ?? 0,
$this->pos3Name[$key] ?? '',
$this->pos3Value[$key] ?? 0
);
}
return $retval;
}
/**
* Builds a branch of the tree
*
* @param array $path A paths pointing to the branch
* of the tree that needs to be built
* @param string $type2 The type of item being paginated on
* the second level of the tree
* @param int $pos2 The position for the pagination of
* the branch at the second level of the tree
* @param string $type3 The type of item being paginated on
* the third level of the tree
* @param int $pos3 The position for the pagination of
* the branch at the third level of the tree
*
* @return Node|bool The active node or false in case of failure, true if the path contains <= 1 items
*/
private function buildPathPart(array $path, string $type2, int $pos2, string $type3, int $pos3)
{
if (count($path) <= 1) {
return true;
}
array_shift($path); // remove 'root'
/** @var NodeDatabase|null $db */
$db = $this->tree->getChild($path[0]);
if ($db === null) {
return false;
}
$retval = $db;
$containers = $this->addDbContainers($db, $type2, $pos2);
array_shift($path); // remove db
if ((count($path) <= 0 || ! array_key_exists($path[0], $containers))
&& count($containers) != 1
) {
return $retval;
}
if (count($containers) === 1) {
$container = array_shift($containers);
} else {
$container = $db->getChild($path[0], true);
if ($container === null) {
return false;
}
}
$retval = $container;
if (count($container->children) <= 1) {
$dbData = $db->getData(
$container->realName,
$pos2,
$this->searchClause2
);
foreach ($dbData as $item) {
switch ($container->realName) {
case 'events':
$node = NodeFactory::getInstance(
'NodeEvent',
$item
);
break;
case 'functions':
$node = NodeFactory::getInstance(
'NodeFunction',
$item
);
break;
case 'procedures':
$node = NodeFactory::getInstance(
'NodeProcedure',
$item
);
break;
case 'tables':
$node = NodeFactory::getInstance(
'NodeTable',
$item
);
break;
case 'views':
$node = NodeFactory::getInstance(
'NodeView',
$item
);
break;
default:
break;
}
if (! isset($node)) {
continue;
}
if ($type2 == $container->realName) {
$node->pos2 = $pos2;
}
$container->addChild($node);
}
}
if (count($path) > 1 && $path[0] !== 'tables') {
return false;
}
array_shift($path); // remove container
if (count($path) <= 0) {
return $retval;
}
/** @var NodeTable|null $table */
$table = $container->getChild($path[0], true);
if ($table === null) {
if (! $db->getPresence('tables', $path[0])) {
return false;
}
$node = NodeFactory::getInstance(
'NodeTable',
$path[0]
);
if ($type2 == $container->realName) {
$node->pos2 = $pos2;
}
$container->addChild($node);
$table = $container->getChild($path[0], true);
}
$retval = $table ?? false;
$containers = $this->addTableContainers(
$table,
$pos2,
$type3,
$pos3
);
array_shift($path); // remove table
if (count($path) <= 0
|| ! array_key_exists($path[0], $containers)
) {
return $retval;
}
$container = $table->getChild($path[0], true);
$retval = $container ?? false;
$tableData = $table->getData(
$container->realName,
$pos3
);
foreach ($tableData as $item) {
switch ($container->realName) {
case 'indexes':
$node = NodeFactory::getInstance(
'NodeIndex',
$item
);
break;
case 'columns':
$node = NodeFactory::getInstance(
'NodeColumn',
$item
);
break;
case 'triggers':
$node = NodeFactory::getInstance(
'NodeTrigger',
$item
);
break;
default:
break;
}
if (! isset($node)) {
continue;
}
$node->pos2 = $container->parent->pos2;
if ($type3 == $container->realName) {
$node->pos3 = $pos3;
}
$container->addChild($node);
}
return $retval;
}
/**
* Adds containers to a node that is a table
*
* References to existing children are returned
* if this function is called twice on the same node
*
* @param NodeTable $table The table node, new containers will be
* attached to this node
* @param int $pos2 The position for the pagination of
* the branch at the second level of the tree
* @param string $type3 The type of item being paginated on
* the third level of the tree
* @param int $pos3 The position for the pagination of
* the branch at the third level of the tree
*
* @return array An array of new nodes
*/
private function addTableContainers(NodeTable $table, int $pos2, string $type3, int $pos3): array
{
$retval = [];
if ($table->hasChildren(true) == 0) {
if ($table->getPresence('columns')) {
$retval['columns'] = NodeFactory::getInstance(
'NodeColumnContainer'
);
}
if ($table->getPresence('indexes')) {
$retval['indexes'] = NodeFactory::getInstance(
'NodeIndexContainer'
);
}
if ($table->getPresence('triggers')) {
$retval['triggers'] = NodeFactory::getInstance(
'NodeTriggerContainer'
);
}
// Add all new Nodes to the tree
foreach ($retval as $node) {
$node->pos2 = $pos2;
if ($type3 == $node->realName) {
$node->pos3 = $pos3;
}
$table->addChild($node);
}
} else {
foreach ($table->children as $node) {
if ($type3 == $node->realName) {
$node->pos3 = $pos3;
}
$retval[$node->realName] = $node;
}
}
return $retval;
}
/**
* Adds containers to a node that is a database
*
* References to existing children are returned
* if this function is called twice on the same node
*
* @param NodeDatabase $db The database node, new containers will be
* attached to this node
* @param string $type The type of item being paginated on
* the second level of the tree
* @param int $pos2 The position for the pagination of
* the branch at the second level of the tree
*
* @return array An array of new nodes
*/
private function addDbContainers(NodeDatabase $db, string $type, int $pos2): array
{
// Get items to hide
$hidden = $db->getHiddenItems('group');
if (! $GLOBALS['cfg']['NavigationTreeShowTables']
&& ! in_array('tables', $hidden)
) {
$hidden[] = 'tables';
}
if (! $GLOBALS['cfg']['NavigationTreeShowViews']
&& ! in_array('views', $hidden)
) {
$hidden[] = 'views';
}
if (! $GLOBALS['cfg']['NavigationTreeShowFunctions']
&& ! in_array('functions', $hidden)
) {
$hidden[] = 'functions';
}
if (! $GLOBALS['cfg']['NavigationTreeShowProcedures']
&& ! in_array('procedures', $hidden)
) {
$hidden[] = 'procedures';
}
if (! $GLOBALS['cfg']['NavigationTreeShowEvents']
&& ! in_array('events', $hidden)
) {
$hidden[] = 'events';
}
$retval = [];
if ($db->hasChildren(true) == 0) {
if (! in_array('tables', $hidden) && $db->getPresence('tables')) {
$retval['tables'] = NodeFactory::getInstance(
'NodeTableContainer'
);
}
if (! in_array('views', $hidden) && $db->getPresence('views')) {
$retval['views'] = NodeFactory::getInstance(
'NodeViewContainer'
);
}
if (! in_array('functions', $hidden) && $db->getPresence('functions')) {
$retval['functions'] = NodeFactory::getInstance(
'NodeFunctionContainer'
);
}
if (! in_array('procedures', $hidden) && $db->getPresence('procedures')) {
$retval['procedures'] = NodeFactory::getInstance(
'NodeProcedureContainer'
);
}
if (! in_array('events', $hidden) && $db->getPresence('events')) {
$retval['events'] = NodeFactory::getInstance(
'NodeEventContainer'
);
}
// Add all new Nodes to the tree
foreach ($retval as $node) {
if ($type == $node->realName) {
$node->pos2 = $pos2;
}
$db->addChild($node);
}
} else {
foreach ($db->children as $node) {
if ($type == $node->realName) {
$node->pos2 = $pos2;
}
$retval[$node->realName] = $node;
}
}
return $retval;
}
/**
* Recursively groups tree nodes given a separator
*
* @param Node $node The node to group or null
* to group the whole tree. If
* passed as an argument, $node
* must be of type CONTAINER
*/
public function groupTree(?Node $node = null): void
{
if ($node === null) {
$node = $this->tree;
}
$this->groupNode($node);
foreach ($node->children as $child) {
$this->groupTree($child);
}
}
/**
* Recursively groups tree nodes given a separator
*
* @param Node $node The node to group
*/
public function groupNode($node): void
{
if ($node->type != Node::CONTAINER
|| ! $GLOBALS['cfg']['NavigationTreeEnableExpansion']
) {
return;
}
$separators = [];
if (is_array($node->separator)) {
$separators = $node->separator;
} else {
if (strlen($node->separator)) {
$separators[] = $node->separator;
}
}
$prefixes = [];
if ($node->separatorDepth > 0) {
foreach ($node->children as $child) {
$prefixPos = false;
foreach ($separators as $separator) {
$sepPos = mb_strpos((string) $child->name, $separator);
if ($sepPos == false
|| $sepPos == mb_strlen($child->name)
|| $sepPos == 0
|| ($prefixPos !== false && $sepPos >= $prefixPos)
) {
continue;
}
$prefixPos = $sepPos;
}
if ($prefixPos !== false) {
$prefix = mb_substr($child->name, 0, $prefixPos);
if (! isset($prefixes[$prefix])) {
$prefixes[$prefix] = 1;
} else {
$prefixes[$prefix]++;
}
}
//Bug #4375: Check if prefix is the name of a DB, to create a group.
foreach ($node->children as $otherChild) {
if (! array_key_exists($otherChild->name, $prefixes)) {
continue;
}
$prefixes[$otherChild->name]++;
}
}
//Check if prefix is the name of a DB, to create a group.
foreach ($node->children as $child) {
if (! array_key_exists($child->name, $prefixes)) {
continue;
}
$prefixes[$child->name]++;
}
}
// It is not a group if it has only one item
foreach ($prefixes as $key => $value) {
if ($value > 1) {
continue;
}
unset($prefixes[$key]);
}
// rfe #1634 Don't group if there's only one group and no other items
if (count($prefixes) === 1) {
$keys = array_keys($prefixes);
$key = $keys[0];
if ($prefixes[$key] == count($node->children) - 1) {
unset($prefixes[$key]);
}
}
if (! count($prefixes)) {
return;
}
/** @var Node[] $groups */
$groups = [];
foreach ($prefixes as $key => $value) {
// warn about large groups
if ($value > 500 && ! $this->largeGroupWarning) {
trigger_error(
__(
'There are large item groups in navigation panel which '
. 'may affect the performance. Consider disabling item '
. 'grouping in the navigation panel.'
),
E_USER_WARNING
);
$this->largeGroupWarning = true;
}
$groups[$key] = new Node(
htmlspecialchars((string) $key),
Node::CONTAINER,
true
);
$groups[$key]->separator = $node->separator;
$groups[$key]->separatorDepth = $node->separatorDepth - 1;
$groups[$key]->icon = Generator::getImage(
'b_group',
__('Groups')
);
$groups[$key]->pos2 = $node->pos2;
$groups[$key]->pos3 = $node->pos3;
if ($node instanceof NodeTableContainer
|| $node instanceof NodeViewContainer
) {
$tblGroup = '&tbl_group=' . urlencode((string) $key);
$groups[$key]->links = [
'text' => $node->links['text'] . $tblGroup,
'icon' => $node->links['icon'] . $tblGroup,
];
}
$node->addChild($groups[$key]);
foreach ($separators as $separator) {
$separatorLength = strlen($separator);
// FIXME: this could be more efficient
foreach ($node->children as $child) {
$keySeparatorLength = mb_strlen((string) $key) + $separatorLength;
$nameSubstring = mb_substr(
(string) $child->name,
0,
$keySeparatorLength
);
if (($nameSubstring != $key . $separator
&& $child->name != $key)
|| $child->type != Node::OBJECT
) {
continue;
}
$class = get_class($child);
$className = substr($class, strrpos($class, '\\') + 1);
unset($class);
/** @var NodeDatabase $newChild */
$newChild = NodeFactory::getInstance(
$className,
mb_substr(
$child->name,
$keySeparatorLength
)
);
if ($child instanceof NodeDatabase
&& $child->getHiddenCount() > 0
) {
$newChild->setHiddenCount($child->getHiddenCount());
}
$newChild->realName = $child->realName;
$newChild->icon = $child->icon;
$newChild->links = $child->links;
$newChild->pos2 = $child->pos2;
$newChild->pos3 = $child->pos3;
$groups[$key]->addChild($newChild);
foreach ($child->children as $elm) {
$newChild->addChild($elm);
}
$node->removeChild($child->name);
}
}
}
foreach ($prefixes as $key => $value) {
$this->groupNode($groups[$key]);
$groups[$key]->classes = 'navGroup';
}
}
/**
* Renders a state of the tree, used in light mode when
* either JavaScript and/or Ajax are disabled
*
* @return string HTML code for the navigation tree
*/
public function renderState(): string
{
$this->buildPath();
$quickWarp = $this->quickWarp();
$fastFilter = $this->fastFilterHtml($this->tree);
$controls = '';
if ($GLOBALS['cfg']['NavigationTreeEnableExpansion']) {
$controls = $this->controls();
}
$pageSelector = $this->getPageSelector($this->tree);
$this->groupTree();
$children = $this->tree->children;
usort($children, [
self::class,
'sortNode',
]);
$this->setVisibility();
$nodes = '';
for ($i = 0, $nbChildren = count($children); $i < $nbChildren; $i++) {
if ($i == 0) {
$nodes .= $this->renderNode($children[0], true, 'first');
} else {
if ($i + 1 != $nbChildren) {
$nodes .= $this->renderNode($children[$i], true);
} else {
$nodes .= $this->renderNode($children[$i], true, 'last');
}
}
}
return $this->template->render('navigation/tree/state', [
'quick_warp' => $quickWarp,
'fast_filter' => $fastFilter,
'controls' => $controls,
'page_selector' => $pageSelector,
'nodes' => $nodes,
]);
}
/**
* Renders a part of the tree, used for Ajax requests in light mode
*
* @return string|false HTML code for the navigation tree
*/
public function renderPath()
{
$node = $this->buildPath();
if (! is_bool($node)) {
$this->groupTree();
$listContent = $this->fastFilterHtml($node);
$listContent .= $this->getPageSelector($node);
$children = $node->children;
usort($children, [
self::class,
'sortNode',
]);
for ($i = 0, $nbChildren = count($children); $i < $nbChildren; $i++) {
if ($i + 1 != $nbChildren) {
$listContent .= $this->renderNode($children[$i], true);
} else {
$listContent .= $this->renderNode($children[$i], true, 'last');
}
}
if (! $GLOBALS['cfg']['ShowDatabasesNavigationAsTree']) {
$parents = $node->parents(true);
$parentName = $parents[0]->realName;
}
}
$hasSearchClause = ! empty($this->searchClause) || ! empty($this->searchClause2);
if ($hasSearchClause && ! is_bool($node)) {
$results = 0;
if (! empty($this->searchClause2)) {
if (is_object($node->realParent())) {
$results = $node->realParent()
->getPresence(
$node->realName,
$this->searchClause2
);
}
} else {
$results = $this->tree->getPresence(
'databases',
$this->searchClause
);
}
$results = sprintf(
_ngettext(
'%s result found',
'%s results found',
$results
),
$results
);
Response::getInstance()
->addJSON(
'results',
$results
);
}
if ($node !== false) {
return $this->template->render('navigation/tree/path', [
'has_search_results' => ! empty($this->searchClause) || ! empty($this->searchClause2),
'list_content' => $listContent ?? '',
'is_tree' => $GLOBALS['cfg']['ShowDatabasesNavigationAsTree'],
'parent_name' => $parentName ?? '',
]);
}
return false;
}
/**
* Renders the parameters that are required on the client
* side to know which page(s) we will be requesting data from
*
* @param Node $node The node to create the pagination parameters for
*/
private function getPaginationParamsHtml(Node $node): string
{
$retval = '';
$paths = $node->getPaths();
if (isset($paths['aPath_clean'][2])) {
$retval .= '<span class="hide pos2_nav"';
$retval .= ' data-name="' . $paths['aPath_clean'][2] . '"';
$retval .= ' data-value="' . htmlspecialchars((string) $node->pos2) . '"';
$retval .= '"></span>';
}
if (isset($paths['aPath_clean'][4])) {
$retval .= '<span class="hide pos3_nav"';
$retval .= ' data-name="' . $paths['aPath_clean'][4] . '"';
$retval .= ' data-value="' . htmlspecialchars((string) $node->pos3) . '"';
$retval .= '"></span>';
}
return $retval;
}
/**
* Finds whether given tree matches this tree.
*
* @param array $tree Tree to check
* @param array $paths Paths to check
*/
private function findTreeMatch(array $tree, array $paths): bool
{
$match = false;
foreach ($tree as $path) {
$match = true;
foreach ($paths as $key => $part) {
if (! isset($path[$key]) || $part != $path[$key]) {
$match = false;
break;
}
}
if ($match) {
break;
}
}
return $match;
}
/**
* Renders a single node or a branch of the tree
*
* @param Node $node The node to render
* @param bool $recursive Whether to render a single node or a branch
* @param string $class An additional class for the list item
*
* @return string HTML code for the tree node or branch
*/
private function renderNode(Node $node, bool $recursive, string $class = ''): string
{
$retval = '';
$paths = $node->getPaths();
$nodeIsContainer = $node->type === Node::CONTAINER;
if ($node->hasSiblings()
|| $node->realParent() === false
) {
$response = Response::getInstance();
if ($nodeIsContainer
&& count($node->children) === 0
&& ! $response->isAjax()
) {
return '';
}
$retval .= '<li class="' . trim($class . ' ' . $node->classes) . '">';
$sterile = [
'events',
'triggers',
'functions',
'procedures',
'views',
'columns',
'indexes',
];
$parentName = '';
$parents = $node->parents(false, true);
if (count($parents)) {
$parentName = $parents[0]->realName;
}
// if node name itself is in sterile, then allow
if ($node->isGroup
|| (! in_array($parentName, $sterile) && ! $node->isNew)
|| (in_array($node->realName, $sterile) && ! empty($node->children))
) {
$retval .= "<div class='block'>";
$iClass = '';
if ($class === 'first') {
$iClass = " class='first'";
}
$retval .= '<i' . $iClass . '></i>';
if (strpos($class, 'last') === false) {
$retval .= '<b></b>';
}
$match = $this->findTreeMatch(
$this->vPath,
$paths['vPath_clean']
);
$retval .= '<a class="' . $node->getCssClasses($match) . '"';
$retval .= " href='#'>";
$retval .= '<span class="hide paths_nav"';
$retval .= ' data-apath="' . $paths['aPath'] . '"';
$retval .= ' data-vpath="' . $paths['vPath'] . '"';
$retval .= ' data-pos="' . $this->pos . '"';
$retval .= '"></span>';
$retval .= $this->getPaginationParamsHtml($node);
if ($GLOBALS['cfg']['ShowDatabasesNavigationAsTree']
|| $parentName !== 'root'
) {
$retval .= $node->getIcon($match);
}
$retval .= '</a>';
$retval .= '</div>';
} else {
$retval .= "<div class='block'>";
$iClass = '';
if ($class === 'first') {
$iClass = " class='first'";
}
$retval .= '<i' . $iClass . '></i>';
$retval .= $this->getPaginationParamsHtml($node);
$retval .= '</div>';
}
$linkClass = '';
$haveAjax = [
'functions',
'procedures',
'events',
'triggers',
'indexes',
];
$parent = $node->parents(false, true);
$isNewView = $parent[0]->realName === 'views' && $node->isNew === true;
if ($parent[0]->type == Node::CONTAINER
&& (in_array($parent[0]->realName, $haveAjax) || $isNewView)
) {
$linkClass = ' ajax';
}
if ($nodeIsContainer) {
$retval .= '<i>';
}
// The .second class is used in js/src/navigation.js
$divClass = 'second';
$iconLinks = [];
$icons = [];
if (isset($node->links['icon']) && ! empty($node->links['icon'])) {
$iconLinks = $node->links['icon'];
/** @var array|string $icons */
$icons = $node->icon;
if (! is_array($iconLinks)) {
$iconLinks = [$iconLinks];
$icons = [$icons];
}
/** @var array $icons */
if (count($icons) > 1) {
// Generates: .second double class for NavigationTreeDefaultTabTable2
$divClass = 'second double';
}
}
$retval .= '<div class="block ' . $divClass . '">';
if (isset($node->links['icon']) && ! empty($node->links['icon'])) {
$args = [];
foreach ($node->parents(true) as $parent) {
$args[] = urlencode($parent->realName);
}
foreach ($icons as $key => $icon) {
$link = vsprintf($iconLinks[$key], $args);
if ($linkClass != '') {
$retval .= "<a class='" . $linkClass . "' href='" . $link . "'>";
$retval .= '' . $icon . '</a>';
} else {
$retval .= "<a href='" . $link . "'>" . $icon . '</a>';
}
}
} else {
$retval .= '<u>' . $node->icon . '</u>';
}
$retval .= '</div>';
if (isset($node->links['text'])) {
$args = [];
foreach ($node->parents(true) as $parent) {
$args[] = urlencode($parent->realName);
}
$link = vsprintf($node->links['text'], $args);
$title = $node->links['title'] ?? $node->title ?? '';
if ($nodeIsContainer) {
$retval .= " <a class='hover_show_full' href='" . $link . "'>";
$retval .= htmlspecialchars($node->name);
$retval .= '</a>';
} else {
$retval .= "<a class='hover_show_full" . $linkClass . "' href='" . $link . "'";
$retval .= " title='" . $title . "'>";
$retval .= htmlspecialchars($node->displayName ?? $node->realName);
$retval .= '</a>';
}
} else {
$retval .= ' ' . $node->name . '';
}
$retval .= $node->getHtmlForControlButtons();
if ($nodeIsContainer) {
$retval .= '</i>';
}
$retval .= '<div class="clearfloat"></div>';
$wrap = true;
} else {
$node->visible = true;
$wrap = false;
$retval .= $this->getPaginationParamsHtml($node);
}
if ($recursive) {
$hide = '';
if (! $node->visible) {
$hide = " style='display: none;'";
}
$children = $node->children;
usort(
$children,
[
self::class,
'sortNode',
]
);
$buffer = '';
$extraClass = '';
for ($i = 0, $nbChildren = count($children); $i < $nbChildren; $i++) {
if ($i + 1 == $nbChildren) {
$extraClass = ' last';
}
$buffer .= $this->renderNode(
$children[$i],
true,
$children[$i]->classes . $extraClass
);
}
if (! empty($buffer)) {
if ($wrap) {
$retval .= '<div' . $hide . " class='list_container'><ul>";
}
$retval .= $this->fastFilterHtml($node);
$retval .= $this->getPageSelector($node);
$retval .= $buffer;
if ($wrap) {
$retval .= '</ul></div>';
}
}
}
if ($node->hasSiblings()) {
$retval .= '</li>';
}
return $retval;
}
/**
* Renders a database select box like the pre-4.0 navigation panel
*
* @return string HTML code
*/
public function renderDbSelect(): string
{
$this->buildPath();
$quickWarp = $this->quickWarp();
$this->tree->isGroup = false;
// Provide for pagination in database select
$listNavigator = Generator::getListNavigator(
$this->tree->getPresence('databases', ''),
$this->pos,
['server' => $GLOBALS['server']],
Url::getFromRoute('/navigation'),
'frame_navigation',
$GLOBALS['cfg']['FirstLevelNavigationItems'],
'pos',
['dbselector']
);
$children = $this->tree->children;
$selected = $GLOBALS['db'];
$options = [];
foreach ($children as $node) {
if ($node->isNew) {
continue;
}
$paths = $node->getPaths();
if (! isset($node->links['text'])) {
continue;
}
$title = isset($node->links['title']) ? '' : $node->links['title'];
$options[] = [
'title' => $title,
'name' => $node->realName,
'data' => [
'apath' => $paths['aPath'],
'vpath' => $paths['vPath'],
'pos' => $this->pos,
],
'isSelected' => $node->realName === $selected,
];
}
$children = $this->tree->children;
usort($children, [
self::class,
'sortNode',
]);
$this->setVisibility();
$nodes = '';
for ($i = 0, $nbChildren = count($children); $i < $nbChildren; $i++) {
if ($i == 0) {
$nodes .= $this->renderNode($children[0], true, 'first');
} else {
if ($i + 1 != $nbChildren) {
$nodes .= $this->renderNode($children[$i], true);
} else {
$nodes .= $this->renderNode($children[$i], true, 'last');
}
}
}
return $this->template->render('navigation/tree/database_select', [
'quick_warp' => $quickWarp,
'list_navigator' => $listNavigator,
'server' => $GLOBALS['server'],
'options' => $options,
'nodes' => $nodes,
]);
}
/**
* Makes some nodes visible based on the which node is active
*/
private function setVisibility(): void
{
foreach ($this->vPath as $path) {
$node = $this->tree;
foreach ($path as $value) {
$child = $node->getChild($value);
if ($child === null) {
continue;
}
$child->visible = true;
$node = $child;
}
}
}
/**
* Generates the HTML code for displaying the fast filter for tables
*
* @param Node $node The node for which to generate the fast filter html
*
* @return string LI element used for the fast filter
*/
private function fastFilterHtml(Node $node): string
{
$retval = '';
$filterDbMin
= (int) $GLOBALS['cfg']['NavigationTreeDisplayDbFilterMinimum'];
$filterItemMin
= (int) $GLOBALS['cfg']['NavigationTreeDisplayItemFilterMinimum'];
if ($node === $this->tree
&& $this->tree->getPresence() >= $filterDbMin
) {
$urlParams = ['pos' => 0];
$retval .= '<li class="fast_filter db_fast_filter">';
$retval .= '<form class="ajax fast_filter">';
$retval .= Url::getHiddenInputs($urlParams);
$retval .= '<input class="searchClause" type="text"';
$retval .= ' name="searchClause" accesskey="q"';
$retval .= " placeholder='"
. __('Type to filter these, Enter to search all');
$retval .= "'>";
$retval .= '<span title="' . __('Clear fast filter') . '">X</span>';
$retval .= '</form>';
$retval .= '</li>';
return $retval;
}
$nodeIsContainer = $node->type === Node::CONTAINER;
$nodeIsSpecial = $node->realName === 'tables'
|| $node->realName === 'views'
|| $node->realName === 'functions'
|| $node->realName === 'procedures'
|| $node->realName === 'events';
/** @var Node $realParent */
$realParent = $node->realParent();
if (($nodeIsContainer && $nodeIsSpecial)
&& method_exists($realParent, 'getPresence')
&& $realParent->getPresence($node->realName) >= $filterItemMin
) {
$paths = $node->getPaths();
$urlParams = [
'pos' => $this->pos,
'aPath' => $paths['aPath'],
'vPath' => $paths['vPath'],
'pos2_name' => $node->realName,
'pos2_value' => 0,
];
$retval .= "<li class='fast_filter'>";
$retval .= "<form class='ajax fast_filter'>";
$retval .= Url::getHiddenFields($urlParams);
$retval .= "<input class='searchClause' type='text'";
$retval .= " name='searchClause2'";
$retval .= " placeholder='"
. __('Type to filter these, Enter to search all') . "'>";
$retval .= "<span title='" . __('Clear fast filter') . "'>X</span>";
$retval .= '</form>';
$retval .= '</li>';
}
return $retval;
}
/**
* Creates the code for displaying the controls
* at the top of the navigation tree
*
* @return string HTML code for the controls
*/
private function controls(): string
{
// always iconic
$showIcon = true;
$showText = false;
$retval = '<!-- CONTROLS START -->';
$retval .= '<li id="navigation_controls_outer">';
$retval .= '<div id="navigation_controls">';
$retval .= Generator::getNavigationLink(
'#',
$showText,
__('Collapse all'),
$showIcon,
's_collapseall',
'pma_navigation_collapse'
);
$syncImage = 's_unlink';
$title = __('Link with main panel');
if ($GLOBALS['cfg']['NavigationLinkWithMainPanel']) {
$syncImage = 's_link';
$title = __('Unlink from main panel');
}
$retval .= Generator::getNavigationLink(
'#',
$showText,
$title,
$showIcon,
$syncImage,
'pma_navigation_sync'
);
$retval .= '</div>';
$retval .= '</li>';
$retval .= '<!-- CONTROLS ENDS -->';
return $retval;
}
/**
* Generates the HTML code for displaying the list pagination
*
* @param Node $node The node for whose children the page
* selector will be created
*/
private function getPageSelector(Node $node): string
{
$retval = '';
if ($node === $this->tree) {
$retval .= Generator::getListNavigator(
$this->tree->getPresence('databases', $this->searchClause),
$this->pos,
['server' => $GLOBALS['server']],
Url::getFromRoute('/navigation'),
'frame_navigation',
$GLOBALS['cfg']['FirstLevelNavigationItems'],
'pos',
['dbselector']
);
} else {
if ($node->type == Node::CONTAINER && ! $node->isGroup) {
$paths = $node->getPaths();
$level = isset($paths['aPath_clean'][4]) ? 3 : 2;
$urlParams = [
'aPath' => $paths['aPath'],
'vPath' => $paths['vPath'],
'pos' => $this->pos,
'server' => $GLOBALS['server'],
'pos2_name' => $paths['aPath_clean'][2],
];
if ($level == 3) {
$pos = $node->pos3;
$urlParams['pos2_value'] = $node->pos2;
$urlParams['pos3_name'] = $paths['aPath_clean'][4];
} else {
$pos = $node->pos2;
}
/** @var Node $realParent */
$realParent = $node->realParent();
$num = $realParent->getPresence(
$node->realName,
$this->searchClause2
);
$retval .= Generator::getListNavigator(
$num,
$pos,
$urlParams,
Url::getFromRoute('/navigation'),
'frame_navigation',
$GLOBALS['cfg']['MaxNavigationItems'],
'pos' . $level . '_value'
);
}
}
return $retval;
}
/**
* Called by usort() for sorting the nodes in a container
*
* @param Node $a The first element used in the comparison
* @param Node $b The second element used in the comparison
*
* @return int See strnatcmp() and strcmp()
*/
public static function sortNode(Node $a, Node $b): int
{
if ($a->isNew) {
return -1;
}
if ($b->isNew) {
return 1;
}
if ($GLOBALS['cfg']['NaturalOrder']) {
return strnatcasecmp($a->name, $b->name);
}
return strcasecmp($a->name, $b->name);
}
/**
* Display quick warp links, contain Recents and Favorites
*
* @return string HTML code
*/
private function quickWarp(): string
{
$retval = '<div class="pma_quick_warp">';
if ($GLOBALS['cfg']['NumRecentTables'] > 0) {
$retval .= RecentFavoriteTable::getInstance('recent')
->getHtml();
}
if ($GLOBALS['cfg']['NumFavoriteTables'] > 0) {
$retval .= RecentFavoriteTable::getInstance('favorite')
->getHtml();
}
$retval .= '<div class="clearfloat"></div>';
$retval .= '</div>';
return $retval;
}
}
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